Left 4 Dead 2
72.4 hrs last two weeks / 208.4 hrs on record
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Killing Floor
1.8 hrs last two weeks / 54.4 hrs on record
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Counter-Strike
Day of Defeat
Deathmatch Classic
Half-Life
Half-Life: Blue Shift
Half-Life: Opposing Force
Killing Floor Mod: Defence Alliance 2
Killing Floor SDK
Left 4 Dead
906.5 hrs on record
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Left 4 Dead 2 Add-on Support
Left 4 Dead 2 Authoring Tools
Left 4 Dead Authoring Tools
Ricochet
Source SDK
Team Fortress 2
36.3 hrs on record
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